Update NSS to 3.21 RTM and NSPR to 4.11 RTM

nss/lib/freebl/dsa.c

 /*
  *
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #ifdef FREEBL_NO_DEPEND
 #include "stubs.h"
 #endif
 
@@ skipping 484 matching lines @@
 SECStatus 
 DSA_VerifyDigest(DSAPublicKey *key, const SECItem *signature, 
                  const SECItem *digest)
 {
     /* FIPS-compliance dictates that digest is a SHA hash. */
     mp_int p, q, g;      /* PQG parameters */
     mp_int r_, s_;       /* tuple (r', s') is received signature) */
     mp_int u1, u2, v, w; /* intermediate values used in verification */
     mp_int y;            /* public key */
     mp_err err;
-    int dsa_subprime_len, dsa_signature_len, offset;
+    unsigned int dsa_subprime_len, dsa_signature_len, offset;
     SECItem localDigest;
     unsigned char localDigestData[DSA_MAX_SUBPRIME_LEN];
     SECStatus verified = SECFailure;
 
     /* Check args. */
     if (!key || !signature || !digest ) {
         PORT_SetError(SEC_ERROR_INVALID_ARGS);
         return SECFailure;
     }
 
@@ skipping 106 matching lines @@
     mp_clear(&s_);
     mp_clear(&u1);
     mp_clear(&u2);
     mp_clear(&v);
     mp_clear(&w);
     if (err) {
         translate_mpi_error(err);
     }
     return verified;
 }